IDF CTF练习题——聪明的小羊 题解

题目: 一只小羊跳过了栅栏,两只小样跳过了栅栏,一坨小羊跳过了栅栏… tn c0afsiwal kes,hwit1r  g,npt  ttessfu}ua u  hmqik e {m,  n huiouosarwCniibecesnren. 看了题目描述,应该是栅栏加密,直接上代码: result = {0:”,1:”,2:”,3:”,4:”,5:”,6:”,7:”,8:”,9:”,10:”,11:”,12:”,13:”,14:”,15:”,16:”,17:”}; b = 17; s = “tn c0afsiwal kes,hwit1r g,npt ttessfu}ua u hmqik e {m, n huiouosarwCniibecesnren.” for i in range(len(s)): a = i%b; result.update({a:result[a]+s[i]}); for i in range(b): print result[i]; 最后输出结果: the a nwser is w ctf{C 01umn […]